Submission #829236

#	Time	Username	Problem	Language	Result	Execution time	Memory
829236		Hanksburger	Cookies (JOI23_cookies)	C++17	6 / 100	3 ms	340 KiB

cookies

#include <bits/stdc++.h>
using namespace std;
int a[15005], b[15005], dp[505], pre[505];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m;
    cin >> n;
    for (int i=1; i<=n; i++)
        cin >> a[i];
    cin >> m;
    for (int i=1; i<=m; i++)
        cin >> b[i];
    for (int i=1; i<=n; i++)
    {
        dp[i]=1e9;
        for (int j=1; j<=m; j++)
        {
            if (i>=b[j])
            {
                if (dp[i]>dp[i-b[j]]+1)
                {
                    dp[i]=dp[i-b[j]]+1;
                    pre[i]=i-b[j];
                }
            }
        }
    }
    if (dp[n]<5e8)
    {
        cout << dp[n] << '\n';
        int ind=n, cnt=0;
        while (ind)
        {
            cout << ind-pre[ind] << ' ';
            for (int i=cnt+1; i<=cnt+ind-pre[ind]; i++)
                cout << i << ' ';
            cout << '\n';
            cnt+=ind-pre[ind];
            ind=pre[ind];
        }
    }
    else
        cout << -1;
}

• Subtask 1: 6 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 45
• Subtask 5: 0 / 15
• Subtask 6: 0 / 15